3. Напишите инфинитив следующих глаголов:

Решение:

1. was - to be
2. had - to have
3. answered - to answer
4. studied - to study
5. saw - to see
6. played - to play
7. worked - to work
8. wrote - to write
9. opened - to open
10. looked - to look
11. were - to be
12. did - to do
13. became - to become
14. went - to go
15. understood - to understand

Ответ: to be, to have, to answer, to study, to see, to play, to work, to write, to open, to look, to be, to do, to become, to go, to understand.